A fishmonger who died this week of Ebola may have carried the virus from Congo into Rwanda as well as Uganda, the World Health Organization said, as health workers struggled to track down people she could have infected.
The woman was one of almost 1,700 victims of the current 11- month outbreak of the highly contagious disease, which the WHO upgraded to an international health emergency on Wednesday and which has so far been effectively confined to northeastern Democratic Republic of Congo.
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